81273060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41047}}^1$

素因数の和:41073

約数の個数: 72

約数和(自身を含む): 268946496

約数和(自身を除く): 187673436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41047, 82094, 123141, 164188, 205235, 246282, 369423, 410470, 451517, 492564, 615705, 738846, 820940, 903034, 1231410, 1354551, 1477692, 1806068, 1847115, 2257585, 2462820, 2709102, 3694230, 4063653, 4515170, 5418204, 6772755, 7388460, 8127306, 9030340, 13545510, 16254612, 20318265, 27091020, 40636530, 81273060]

約数ペア:

[(1, 81273060), (2, 40636530), (3, 27091020), (4, 20318265), (5, 16254612), (6, 13545510), (9, 9030340), (10, 8127306), (11, 7388460), (12, 6772755), (15, 5418204), (18, 4515170), (20, 4063653), (22, 3694230), (30, 2709102), (33, 2462820), (36, 2257585), (44, 1847115), (45, 1806068), (55, 1477692), (60, 1354551), (66, 1231410), (90, 903034), (99, 820940), (110, 738846), (132, 615705), (165, 492564), (180, 451517), (198, 410470), (220, 369423), (330, 246282), (396, 205235), (495, 164188), (660, 123141), (990, 82094), (1980, 41047)]